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    <meta name="author" content="Wangrui">
    <title>Document</title>
    <style>
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        background-color:lightcyan;
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    div{
        width:300px;
        margin:100px auto;
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    ul li{
        list-style: none;
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    a{
        text-decoration: none;
        font-size: 24px;
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    a:hover{
        color:darkmagenta;
        font-size:28px;
    }
    
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</head>
<body>
    <div class="ball">
         <ul>
             <li><a href="图片翻牌切换.html">图片翻转</a></li>
             <li><a href="图片切换.html">图片切换</a></li>
             <li><a href="c弹窗.html">弹窗</a></li>
             <li><a href="原型链继承.html">原型链继承</a></li>    
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